Portable receptacle extension



FIG. 1 is a Side Elevational (Left) view of a portable receptacle extension showing my new design;

FIG. 2 is a Side Elevational (Front) view.

FIG. 3 is a Side Elevational (Right) view.

FIG. 4 is a Side Elevational (Back) view.

FIG. 5 is a Plan (Top) view; and,

FIG. 6 is a Plan (Bottom) view.

The extension is shown broken away in FIGS. 1-4 because the specific length of the extension forms no part of the claimed design. 

The ornamental design for a portable receptacle extension, as shown and described. 